Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The arrival of April denotes a barely perceptible change in the average high-temperatures to a still warm 28.6°C (83.5°F) from March's 28.8°C (83.8°F). April registers an average low temperature of 27.2°C (81°F) in Santa Clotilde, subtly lower than the daytime maximum.Heat index
April's average heat index is computed to be a tropical 33°C (91.4°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Note that heat index values are valued for light wind and location in the shade. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', quantifies the warmth felt when relative humidity is considered. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
In April, the average relative humidity in Santa Clotilde is 77%.Rainfall
In April, the rain falls for 22 days. Throughout April, 126mm (4.96") of precipitation is accumulated. In Santa Clotilde, during the entire year, the rain falls for 241.7 days and collects up to 1287mm (50.67") of precipitation.Daylight
The average length of the day in April is 12h and 7min.On the first day of the month, sunrise is at 05:34 and sunset at 17:41. On the last day of April, in Santa Clotilde, sunrise is at 05:27 and sunset at 17:35 GMT.
Sunshine
In Santa Clotilde, São Tomé and Príncipe, the average sunshine in April is 8.1h.UV index
January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 7 in April translates into the following instructions:
Fend off overexposure. Sun protection is vital. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is April in Santa Clotilde?
What is the average humidity in April in Santa Clotilde?
How much does it rain in Santa Clotilde in April?
How many hours of daylight does Santa Clotilde have in April?
When is the sunrise / sunset in April in Santa Clotilde?
How long on average sun shines in April in Santa Clotilde?
What is the month with the highest UV index in Santa Clotilde?
What is the UV index reading in April in Santa Clotilde?
Average temperature in April
Santa Clotilde, São Tomé and Príncipe
- Average high temperature in April: 28.6°C
The warmest month (with the highest average high temperature) is March (28.8°C).
The month with the lowest average high temperature is July (24.5°C).
- Average low temperature in April: 27.2°C
The month with the highest average low temperature is March (27.5°C).
The coldest month (with the lowest average low temperature) is July (23°C).
Average pressure in April
Santa Clotilde, São Tomé and Príncipe
- Average pressure in April: 1010.1mbar
The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is February (1009.8mbar).
Average wind speed in April
Santa Clotilde, São Tomé and Príncipe
- Average wind speed in April: 10.9km/h
The windiest month (with the highest average wind speed) is July (17.7km/h).
The calmest month (with the lowest average wind speed) is December (10.8km/h).
Average humidity in April
Santa Clotilde, São Tomé and Príncipe
- Average humidity in April: 77%
The months with the highest relative humidity are August, September and October (83%).
The month with the lowest relative humidity is March (76%).
Average rainfall in April
Santa Clotilde, São Tomé and Príncipe
- Average rainfall in April: 126mm
The wettest month (with the highest rainfall) is November (224mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in April
Santa Clotilde, São Tomé and Príncipe
- Average rainfall days in April: 22 days
The month with the highest number of rainy days is December (28.6 days).
The month with the least rainy days is June (7.3 days).
Average daylight in April /
Average sunshine in April
Santa Clotilde, São Tomé and Príncipe
- Average daylight in April: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are January, November and December (Average daylight: 12h and 6min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 0min).
Average sunshine days in April
Santa Clotilde, São Tomé and Príncipe
- Average sunshine days in April: 6.2 days
The month with the most sunshine days is June (16.4 days).
The month with the least sunshine days is December (1.5 days).
Average UV index in April
Santa Clotilde, São Tomé and Príncipe
- Average UV index in April: 7
The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in April
Santa Clotilde, São Tomé and Príncipe
- Average cloud cover in April: 39
The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is February (Cloud cover 37).
Average visibility in April
Santa Clotilde, São Tomé and Príncipe
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).
Santa Clotilde, São Tomé and Príncipe
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